197918415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 356019456

約数和(自身を除く): 158101041

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 337, 421, 465, 1011, 1263, 1395, 1685, 2105, 3033, 3789, 5055, 6315, 10447, 13051, 15165, 18945, 31341, 39153, 52235, 65255, 94023, 117459, 141877, 156705, 195765, 425631, 470115, 587295, 709385, 1276893, 2128155, 4398187, 6384465, 13194561, 21990935, 39583683, 65972805, 197918415]

約数ペア:

[(1, 197918415), (3, 65972805), (5, 39583683), (9, 21990935), (15, 13194561), (31, 6384465), (45, 4398187), (93, 2128155), (155, 1276893), (279, 709385), (337, 587295), (421, 470115), (465, 425631), (1011, 195765), (1263, 156705), (1395, 141877), (1685, 117459), (2105, 94023), (3033, 65255), (3789, 52235), (5055, 39153), (6315, 31341), (10447, 18945), (13051, 15165)]